Home / 68,336,603,827.85-102,467,538,047.72-54,261,980,669.52

Finding the Fourth Proportional to 68,336,603,827.85, 102,467,538,047.72 and 54,261,980,669.52

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Solution

The fourth proportional to 68,336,603,827.85, 102,467,538,047.72 and 54,261,980,669.52 is: 81,363,299,569.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    68,336,603,827.85 : 102,467,538,047.72 = 54,261,980,669.52 : x
  2. Step 2: Convert to fraction form
    68,336,603,827.85/102,467,538,047.72 = 54,261,980,669.52/x
  3. Step 3: Cross multiply
    68,336,603,827.85x = 102,467,538,047.72 × 54,261,980,669.52
  4. Step 4: Simplify right side
    68,336,603,827.85x = 5,560,091,568,798,687,035,392
  5. Step 5: Solve for x
    x = 5,560,091,568,798,687,035,392/68,336,603,827.85
  6. Step 6: Final answer
    x = 81,363,299,569.37

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.